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sortix--sortix/libc/strncasecmp.cpp
2013-12-17 14:30:23 +01:00

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1.3 KiB
C++

/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012.
This file is part of the Sortix C Library.
The Sortix C Library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at your
option) any later version.
The Sortix C Library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
strncasecmp.cpp
Compares a prefix of two strings ignoring case.
*******************************************************************************/
#include <string.h>
#include <ctype.h>
extern "C" int strncasecmp(const char* a, const char* b, size_t maxcount)
{
while ( maxcount-- )
{
char ac = tolower(*a++), bc = tolower(*b++);
if ( ac == '\0' && bc == '\0' )
return 0;
if ( ac < bc )
return -1;
if ( ac > bc )
return 1;
}
return 0;
}